Window top rail extrusion



FIG. 1 is an isometric view of a window top rail extrusion, according to the present disclosure.

FIG. 2 is a top view of the window top rail extrusion of FIG. 1.

FIG. 3 is a bottom view of the window top rail extrusion of FIG. 1.

FIG. 4 is a front view of the window top rail extrusion of FIG. 1.

FIG. 5 is a rear view of the window top rail extrusion of FIG. 1.

FIG. 6 is a left side view of the window top rail extrusion of FIG. 1; and,

FIG. 7 is a right side view of the window top rail extrusion of FIG. 1.

The window top rail extrusion is shown with two parallel dash-dot break lines that represent the bounds of the claim. The appearance of any portion of the article between the break lines forms no part of the claimed design. 

CLAIM The ornamental design for a window top rail extrusion, as shown and described. 